CN205140493U - Control display screen carries out device of screen switching anyhow - Google Patents
Control display screen carries out device of screen switching anyhow Download PDFInfo
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- CN205140493U CN205140493U CN201520629703.0U CN201520629703U CN205140493U CN 205140493 U CN205140493 U CN 205140493U CN 201520629703 U CN201520629703 U CN 201520629703U CN 205140493 U CN205140493 U CN 205140493U
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Abstract
The embodiment of the utility model discloses control display screen carries out device of screen switching anyhow belongs to and shows technical field. Wherein the device includes: a conversion equipment in advance that is used for in advance converting the original image data who is in under the 2nd display mode at the image data under the display mode into, an original image input device for inciting somebody to action original image data input to conversion equipment, an effective coverage for confirming the pixel information of BMP form original image data detects BMP form image data to stock pixel information in memory, obtain the storage location in the memory after, provide work enable signal's detection controlgear, a pixel information that is arranged in from the memory to read each frame image data to change the back with the pixel information that reads, use the control output device for being in the target image data under the display mode with BMP form original image data conversion. The utility model discloses the cost is lower, and can greatly improve the treatment effeciency.
Description
Technical field
The utility model relates to display technique field, particularly a kind ofly controls the device that display screen carries out horizontal/vertical screen switching.
Background technology
Along with the fast development of the communication technology and mobile terminal technology, the mobile terminal such as smart mobile phone, panel computer obtains at full speed universal, has become one of instrument the most frequently used in people's daily life.Application in mobile terminal also thereupon fast development get up, kind is more and more abundanter, and function is from strength to strength.
In order to strengthen the dirigibility that mobile terminal uses, usually horizontal screen direction display mode and perpendicular screen direction display mode is provided with in mobile terminal, and be provided with handoff functionality, carry out the switching between horizontal screen pattern and perpendicular screen pattern by default trigger condition (such as mobile terminal is in and laterally places or longitudinally place) control mobile terminal.Horizontal screen direction display mode and the perpendicular handoff technique shielded between the display mode of direction, when referring to that mobile terminal is changed between horizontal screen direction and perpendicular screen direction, screen picture automatic rotation, to meet the visual demand of user.Because wide, high condition when the display of horizontal screen direction and perpendicular screen direction display there occurs change, the image of terminal demonstration screen display also will carry out respective change, but this change be not simple anyhow between change, position, the size of image on display screen also will change, some element even in image also can disappear, otherwise can bring bad visual experience to user.
At present a kind of realize horizontal/vertical screen switch device as shown in Figure 1, Fig. 1 is existing a kind of schematic diagram controlling horizontal/vertical screen switching device shifter, described horizontal/vertical screen switching device shifter comprises image input units 9, first memory 10, second memory 11, the controller 13 be connected with second memory 11 with first memory 10, and Graphics Processing module 15, wherein, first memory 10 and second memory 11 are SRAM (StaticRandomAccessMemory, static RAM), when carrying out the rotation process of image shown by display screen, the image source input data needing to carry out changing are replaced input-buffer in first memory 10 and second memory 11 by image input units 9, such as the first two field picture source input data are stored in first memory 10, then the second two field picture source input data are stored in second memory 11, after a certain two field picture source input data buffer storage is good, controller 13 reads data and carries out respective image and rotates process from corresponding storer, the data buffer storage of image source input is simultaneously in another storer, cycling like this (ping-pong operation).In controller 13, adopt the most contiguous difference arithmetic to calculate the memory address that on display screen, after shown image rotation, each pixel is corresponding as image rotation algorithm, and from corresponding storer, read corresponding image source input data according to memory address, be sent on display after being processed by Graphics Processing module 15 and show.Above-mentioned control display screen carries out the device of horizontal/vertical screen switching, and there are the following problems: operand when controller 13 carries out image rotation computing is very large, consumption of natural resource is more, the time expended is also long, and when causing horizontal/vertical screen to switch, efficiency is very low, and the cost of the devices such as above-mentioned SRAM is also higher.
Utility model content
The utility model provides a kind of and controls the device that display screen carries out horizontal/vertical screen switching, and cost is lower and greatly can improve treatment effeciency.
Described technical scheme is as follows:
The utility model embodiment provides and a kind ofly controls the device that display screen carries out horizontal/vertical screen switching, it comprises: in advance the view data be under the first display mode being converted to BMP format picture data, and carried out by BMP format picture data reconfiguring to be converted to the raw image data be under the second display mode, and the raw image data be under the second display mode is carried out the conversion equipment in advance that stores; Be connected with described conversion equipment in advance, for after receiving horizontal/vertical screen handover event, under being in the second display mode, need the raw image data changed to input to the original image input equipment of the conversion equipment of controller; Be connected with described original image input equipment, for raw image data being converted to the described conversion equipment of BMP form raw image data; Be connected with described conversion equipment, for determining the pixel information of described BMP form raw image data, according to the effective coverage of the pixel infomation detection BMP form raw image data determined, and pixel information is input in described storer according to predetermined storage order carries out buffer memory, after obtaining the memory location in the described storer corresponding with the starting position of each frame image data, provide work enable signal to the detection control equipment controlling output device; Be connected with described detection control equipment, for when receiving described work enable signal, the pixel information of each frame image data is read from described storer, and after the pixel information of reading is changed, so that described BMP form raw image data is converted to the destination image data be under the first display mode, and the described destination image data after conversion is supplied to the control output device that display carries out showing.
In the utility model preferred embodiment, also comprise: be connected with described display with described control output device, for the described destination image data after conversion being supplied to after format conversion the display conversion equipment that described display carries out showing.
In the utility model preferred embodiment, described format conversion is field programmable gate array or MCU for carrying out controller described in LVDS format conversion, storer be controller sheet in buffer memory.
In the utility model preferred embodiment, described pixel information comprises the assignment according to the arrangement of pixel on screen.
In the utility model preferred embodiment, described conversion equipment in advance, also comprise: for shielding direction display mode when the first display mode for perpendicular, when second display mode is horizontal screen direction display mode, read from storer line by line from first row last column view data according to image data pixel dot information predetermined storage order in memory and be written to first row last column of destination image data successively, when perpendicular screen directional image data a line view data has read and write a line of horizontal screen directional image data, horizontal screen directional image data a line does not write the next line view data polishing that full part reads perpendicular screen directional image data, and perpendicular screen is not write the next line of view data stored in horizontal screen directional image data to image, until the first conversion equipment in advance that horizontal screen directional image data convert.
In the utility model preferred embodiment, described first display mode and the second display mode are the different person in horizontal screen direction display mode, perpendicular screen direction display mode.
In the utility model preferred embodiment, described predetermined storage order is according to the row-column arrangement order order from left to right, from top to bottom of image slices vegetarian refreshments on screen.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
In advance the view data be under the first display mode is converted to BMP format picture data by conversion equipment in advance, and BMP format picture data is carried out reconfigure to be converted to the view data be under the second display mode, and the view data under the second display mode is stored, original image input equipment, after receiving horizontal/vertical screen handover event, needs the raw image data changed to input to the conversion equipment of controller under being in the second display mode; Raw image data is converted to BMP form raw image data by conversion equipment; Detection control equipment determines the pixel information of BMP form raw image data, according to the effective coverage of the pixel infomation detection BMP form raw image data determined, and pixel information is input in storer according to predetermined storage order carries out buffer memory, after obtaining the memory location in the storer corresponding with the starting position of each frame image data, provide work enable signal to control output module; Control output module when receiving work enable signal, the pixel information of each frame image data is read from storer, and after the pixel information of reading is changed, BMP format picture data to be converted to the destination image data be under the second display mode, and the destination image data after conversion is supplied to display and shows.The utility model embodiment just can realize the conversion of image horizontal/vertical screen display mode by hardware control (such as adopting programmable logic device (PLD) FPGA) and storer (such as on-chip memory Buffer), its processing time is fast, response time is short, real-time is good, hardware design is simple, and cost is low, and Data Control is simple, be applicable to the equipment of all horizontal/vertical screens conversion, application is extensive.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to technological means of the present utility model can be better understood, and can be implemented according to the content of instructions, and can become apparent to allow above and other object of the present utility model, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is existing a kind of schematic diagram controlling horizontal/vertical screen switching device shifter;
Fig. 2 is the main frame block diagram that control display screen that the utility model first embodiment provides carries out the device of horizontal/vertical screen switching;
Fig. 3 is the main frame block diagram that control display screen that the utility model second embodiment provides carries out the device of horizontal/vertical screen switching.
Embodiment
For further setting forth the utility model for the technological means reaching predetermined utility model object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to carrying out its embodiment of device of horizontal/vertical screen switching, structure, feature and effect according to the control display screen that the utility model proposes, be described in detail as follows.
Relevant aforementioned and other technology contents, Characteristic of the present utility model, can clearly present in following cooperation describes in detail with reference to graphic preferred embodiment.By the explanation of embodiment, when can to the utility model for the technological means reaching predetermined object and take and effect be able to more deeply and concrete understanding, but institute's accompanying drawings is only to provide with reference to the use with explanation, is not used for being limited the utility model.
First embodiment
Fig. 2 is the main frame block diagram that control display screen that the utility model first embodiment provides carries out the device of horizontal/vertical screen switching.Described control display screen carries out the plant running of horizontal/vertical screen switching in electronic installation, this electronic installation can be, but be not limited to the portable mobile apparatus such as panel computer, PDA (PersonalDigitalAssistant, personal digital assistant), mobile phone, digital camera.Please refer to Fig. 2, described control display screen carries out the device of horizontal/vertical screen switching, comprising: conversion equipment 20, the original image input equipment 21 be connected with conversion equipment 20 in advance, the controller 23 be connected with original image input equipment 21, the display 25 that is connected with controller 23 in advance.
Conversion equipment 20 in advance, for in advance the view data be under the first display mode being converted to BMP format picture data, and BMP format picture data is carried out reconfigure to be converted to the raw image data be under the second display mode, and the raw image data be under the second display mode is stored.
Wherein, BMP format picture data is RGB data, and BMP form is a kind of picture format irrelevant with hardware device, and it adopts replacement response storage format, does not adopt any compression.The storage mode of this kind of format-pattern carries out storing according to the row-column arrangement order from left to right, from top to bottom of image slices vegetarian refreshments on screen.
Wherein, the first display mode can be such as horizontal screen direction display mode or perpendicular screen direction display mode.For the first display mode for perpendicular screen direction display mode, the second display mode are for horizontal screen direction display mode, suppose that screen resolution is H*W, W representative is perpendicular shields the wide of directional image, the height of H representative perpendicular screen directional image, wherein W<H, screen picture is made up of pixel, then total H*W pixel, and each pixel is made up of 4 bytes.Put in order to each pixel assignment with putting in order of being expert at of pixel on screen and column, then screen top left corner pixel point assignment can be Data (1,1), the pixel assignment in the upper right corner can be Data (W, 1), the pixel assignment in the upper left corner can be Data (1, H), the pixel assignment in the lower right corner can be Data (W, H).
Row-column arrangement order on the order that view data stores and screen is being longitudinally that direction is contrary, namely on screen pixel put in order as from top to bottom, and the storage order of pixel carries out storing to upper order according under pixel on screen.When pixel information is stored according to predetermined storage order, namely according to image slices vegetarian refreshments on screen row-column arrangement order from left to right, from top to bottom the assignment of each pixel of screen picture is carried out storing, after storing, schematic diagram as shown in Table 1, the assignment of screen top left corner pixel point is Data (1,1), the assignment of screen upper right corner pixel is Data (W, 1), the assignment of screen lower left corner pixel is Data (1, H), the assignment of screen lower right corner pixel is Data (W, H).In addition, the storage space that each pixel takies 4 bytes of storage space or other byte number can be set.
The storage schematic diagram of image slices vegetarian refreshments during table one perpendicular screen direction display mode
| Data(1,H) | Data(2,H) | …… | Data(W,H) |
| Data(1,H-1) | Data(2,H-1) | …… | Data(W,H-1) |
| …… | …… | …… | …… |
| Data(1,4) | Data(2,4) | …… | Data(W,4) |
| Data(1,3) | Data(2,3) | …… | Data(W,3) |
| Data(1,2) | Data(2,2) | …… | Data(W,2) |
| Data(1，1) | Data(2,1) | …… | Data(W,1) |
BMP format picture data carries out being rearrange each pixel in image when reconfiguring to be converted to the view data be under the second display mode by conversion equipment 20 in advance, namely conversion equipment in advance described in, also comprise: for shielding direction display mode when the first display mode for perpendicular, when second display mode is horizontal screen direction display mode, read from storer line by line from first row last column view data according to the predetermined storage order of image data pixel dot information and be written to first row last column of horizontal screen directional image data successively, when perpendicular screen directional image data a line view data has read and write a line of horizontal screen directional image data, horizontal screen directional image data a line does not write the next line view data polishing that full part reads perpendicular screen directional image data, and perpendicular screen is not write the next line of view data stored in horizontal screen directional image data to image, until horizontal screen directional image data convert first conversion equipment in advance of (the storage schematic diagram of the view data after conversion as shown in Table 2).Wherein, if the width of the image in perpendicular screen direction is W before changing, be highly H, then the picture traverse in the horizontal screen direction after changing is H, is highly W.
The storage schematic diagram of image slices vegetarian refreshments during the display mode of table two horizontal screen direction
Through the said process of conversion equipment 20 in advance, just can by the view data under the first display mode, the such as view data in perpendicular screen direction is converted to the view data under the second display mode, the such as view data in horizontal screen direction, and stores.
Preferably, controller 23, comprises conversion equipment 230, detection control equipment 231, storer 233, controls output device 235.Wherein, controller 23 can be FPGA (Field-ProgrammableGateArray, field programmable gate array) or MCU.Storer 223 can be controller 23 sheet in buffer memory (Buffer).
Original image input equipment 21, with conversion equipment 230 and in advance conversion equipment 20 be connected, for after receiving horizontal/vertical screen handover event, input to controller 23 by needing the raw image data changed under being in the second display mode.
Wherein, horizontal/vertical screen handover event is change the roller blind event of horizontal screen direction display mode into by perpendicular screen direction display mode or changed into the roller blind event of perpendicular screen direction display mode by horizontal screen direction display mode.The roller blind event that event can detect for gravity sensor, or the roller blind event that the user's finger manipulation instruction detected by other parts is corresponding.Second display mode can be such as horizontal screen direction display mode or perpendicular screen direction display mode.When raw image data is inputed to controller 23 by image input device 21, be raw image data be converted to image data format and level standard that controller 23 can receive and carry out inputting.
Conversion equipment 230, is connected with original image input equipment 21, for raw image data being converted to BMP form raw image data.
Wherein, raw image data form can be the picture formats such as JPG, PNG.
Detection control equipment 231, with conversion equipment 230 with control output device 235 and be connected, for determining the pixel information of BMP form raw image data, according to the effective coverage of pixel infomation detection BMP form raw image data, and pixel information is input in storer 233 according to predetermined storage order carries out buffer memory, after obtaining the memory location in the storer 233 corresponding with the starting position of each frame image data, provide work enable signal to control output device 235.
Wherein, pixel information comprises the assignment according to the arrangement of pixel on screen, and the assignment of such as screen top left corner pixel point can be Data (1,1).For original image for horizontal screen direction display mode, then the assignment of screen pixels point can be as shown in Table 2.
The effective coverage of view data and the viewing area of image.Detection control equipment 231 finds the assignment of top left corner pixel point in the assignment as shown in Table 2 of image and the assignment of lower right corner pixel, can obtain the border up and down of the effective coverage of view data according to these two assignment.
Predetermined storage order is according to the row-column arrangement order order from left to right, from top to bottom of image slices vegetarian refreshments on screen, that is, view data is being longitudinally that direction is contrary stored in the row-column arrangement order in the order of storer and screen, namely on screen pixel put in order as from top to bottom, and in storer, the storage order of pixel carries out storing to upper order according under pixel on screen.By pixel information according to predetermined storage order be input in storer 233 carry out buffer memory time, namely according to image slices vegetarian refreshments on screen row-column arrangement order from left to right, be stored in storer by the assignment of each pixel of screen picture from top to bottom, after storing, schematic diagram as shown in Table 2.The starting position i.e. beginning display position of this frame image data of each frame image data, corresponding screen picture top left corner pixel point, the Data (1,1) namely in table two.
The output of work enable signal is that indicating image output control module 235 carries out work.
Control output device 235, for when receiving work enable signal, the pixel information of each frame image data is read from storer 233, and after the pixel information of reading is changed, so that BMP form raw image data is converted to the destination image data be under the first display mode, and the destination image data after conversion is supplied to display 25 and shows.
Wherein, the second display mode is horizontal screen direction display mode or perpendicular screen direction display mode, and different with the first display mode.For the second display mode be horizontal screen direction display mode, the first display mode is for perpendicular screen direction display mode, when reading the pixel information of each frame image data from storer 233, according to the memory address in the row-column arrangement of pixel on screen and correspond to memories 233, as shown in Table 2, from storer 233 from left to right, the assignment of each pixel is read from top to bottom line by line.Transformation rule in advance according to conversion equipment 20 in advance can obtain destination image data fast, and destination image data is shown in table one.
Suppose that the raw image data horizontal direction effective coverage inputted is HA1, often total pixel number of row is Ht1, vertical direction effective coverage is VA1, total line number of every frame transmission is Vt1, destination image data horizontal direction effective coverage is HA2, often total pixel number of row is Ht2, and vertical direction effective coverage is VA2, and total line number of every frame transmission is Vt2.Because before and after image conversion, the area (pixel) of viewing area is equal, so meet following relational expression: HA1*VA1=HA2*VA2.In real-time procedure for displaying, the time of each frame transmission is certain, therefore, also meets following relational expression: Ht1*Vt1=Ht2*Vt2.
In sum, the control display screen that the present embodiment provides carries out the device of horizontal/vertical screen switching, in advance the view data be under the first display mode is converted to BMP format picture data by conversion equipment in advance, and BMP format picture data is carried out reconfigure to be converted to the view data be under the second display mode, and the view data under the second display mode is stored, original image input equipment, after receiving horizontal/vertical screen handover event, needs the raw image data changed to input to the conversion equipment of controller under being in the second display mode; Raw image data is converted to BMP form raw image data by conversion equipment; Detection control equipment determines the pixel information of BMP form raw image data, according to the effective coverage of the pixel infomation detection BMP form raw image data determined, and pixel information is input in storer according to predetermined storage order carries out buffer memory, after obtaining the memory location in the storer corresponding with the starting position of each frame image data, provide work enable signal to control output device; Control output device when receiving work enable signal, the pixel information of each frame image data is read from storer, and after the pixel information of reading is changed, BMP format picture data to be converted to the destination image data be under the first display mode, and the destination image data after conversion is supplied to display and shows.The utility model embodiment just can realize the conversion of image horizontal/vertical screen display mode by hardware control (such as adopting programmable logic device (PLD) FPGA) and storer (such as on-chip memory Buffer), its processing time is fast, response time is short, real-time is good, hardware design is simple, and cost is low, and Data Control is simple, be applicable to the equipment of all horizontal/vertical screens conversion, application is extensive.
Second embodiment
Please refer to Fig. 3, the control display screen that it illustrates the utility model second embodiment provides carries out the main frame block diagram of the device of horizontal/vertical screen switching.Fig. 3 improves on the basis of Fig. 2.Device shown in its to Fig. 2 is similar, and its difference is, controls the device that display screen carries out horizontal/vertical screen switching, also comprises: display conversion equipment 301.
Display conversion equipment 301, is connected with display 25 with control output device 235, shows for the destination image data after conversion is supplied to display 25 after format conversion.
In the present embodiment, format conversion such as can for carrying out LVDS (Low-VoltageDifferentialSignaling low-voltage differential signal) format conversion, if the signal type needed for display is LVDS form, then needs that destination image data is supplied to display after LVDS conversion and show.In other embodiments, the format transformation of other type also can be adopted for the signal type needed for display.
The control display screen that the present embodiment provides carries out the device of horizontal/vertical screen switching, also by display conversion equipment 301, the destination image data after conversion is supplied to display after format conversion to show, thus the output format of dissimilar display can be applicable to, application is extensive.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solutions of the utility model content, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. control the device that display screen carries out horizontal/vertical screen switching, it is characterized in that, it comprises:
For in advance the view data be under the first display mode being converted to BMP format picture data, and after BMP format picture data being converted to the raw image data be under the second display mode, carry out the conversion equipment in advance that stores;
Be connected with described conversion equipment in advance, for after receiving horizontal/vertical screen handover event, under being in the second display mode, need the raw image data changed to input to the original image input equipment of the conversion equipment of controller;
Be connected with described original image input equipment, for raw image data being converted to the described conversion equipment of BMP form raw image data;
Be connected with described conversion equipment, for determining the pixel information of described BMP form raw image data, and pixel information is input in described storer according to predetermined storage order carries out buffer memory, obtain the detection control equipment of the memory location in the described storer corresponding with the starting position of each frame image data;
Be connected with described detection control equipment, for reading the pixel information of each frame image data from described storer, and the pixel information of reading carried out being converted to the destination image data be under the first display mode, and the described destination image data after conversion is supplied to the control output device that display carries out showing.
2. control display screen according to claim 1 carries out the device of horizontal/vertical screen switching, it is characterized in that, also comprise: be connected with described display with described control output device, for the described destination image data after conversion being supplied to after format conversion the display conversion equipment that described display carries out showing.
3. control display screen according to claim 1 carries out the device of horizontal/vertical screen switching, it is characterized in that, described controller is field programmable gate array or MCU.
4. control display screen according to claim 1 carries out the device of horizontal/vertical screen switching, it is characterized in that, described storer be described controller sheet in buffer memory.
5. control display screen according to claim 1 carries out the device of horizontal/vertical screen switching, it is characterized in that, described pixel information comprises the assignment according to the arrangement of pixel on screen.
6. control display screen according to claim 1 carries out the device of horizontal/vertical screen switching, it is characterized in that, described first display mode and the second display mode are the different person in horizontal screen direction display mode, perpendicular screen direction display mode.
7. control display screen according to claim 1 carries out the device of horizontal/vertical screen switching, it is characterized in that, described predetermined storage order is according to the row-column arrangement order order from left to right, from top to bottom of image slices vegetarian refreshments on screen.
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| CN112114919A (en) * | 2020-09-11 | 2020-12-22 | 珠海格力电器股份有限公司 | Screen rotation display optimization method and device |
| CN114430448A (en) * | 2020-10-29 | 2022-05-03 | 西安诺瓦星云科技股份有限公司 | Correction data transmission method, device and system and display control device |
| CN112650881A (en) * | 2020-12-22 | 2021-04-13 | 深圳市子瑜杰恩科技有限公司 | Monitoring data processing method and device and storage medium |
| CN112817170A (en) * | 2021-01-20 | 2021-05-18 | 昆山龙腾光电股份有限公司 | Display device and display method |
| CN112817170B (en) * | 2021-01-20 | 2022-08-26 | 昆山龙腾光电股份有限公司 | Display device and display method |
| CN113281983A (en) * | 2021-04-21 | 2021-08-20 | 广东瑞芯智能科技有限公司 | Control method and system for picture display of smart watch, smart watch and medium |
| CN113115112A (en) * | 2021-06-16 | 2021-07-13 | 上海齐感电子信息科技有限公司 | Verification platform and verification method |
| CN113115112B (en) * | 2021-06-16 | 2021-09-21 | 上海齐感电子信息科技有限公司 | Verification platform and verification method |
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